DIY - Solar Battery Charger
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- Опубліковано 28 сер 2024
- Hi Everyone, I am back again with this new video tutorial.
In this tutorial, I am going to show you how to charge a Lithium 18650 Cell using TP4056 chip utilizing the solar energy or simply the SUN.
Wouldn’t it be really cool if you can charge your mobile phone's battery using the sun instead of a USB charger? You can also use this project as a DIY portable power bank.
The total cost of this project excluding the battery is just under $5. The battery will add up another $4 to $5 bucks. So the total cost of the project is somewhat around $10.
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You can reliably use a 7 ~ 8 volt solar panel which will allow enough amperage to start the charge cycle and still output 4.2v so this will work, but you'll have to use the stated solar panel mentioned above, not 5 volt. Here is the minimal and maximum voltages for the TP4056 from spec · Input Supply Voltage(VCC)：-0.3V～8V
I think 9 volt will be better for tp
Tp is linear regulator so its waste so much power in heat 4.7 to 5v is best when we use above 5v it's heat more and more
I have 5v solar panels. Will these NOT work?
Nice video. Well done! I used the same circuit on an ESP8266 sensor node and it worked fine for multiple years. I only had to increase sleep time to survive the dark Dutch winters...
Sorry, Can i ask for the connection of solar to esp8266?
@@nursalwafarahani3277similar as in here, with exception of the powerbooster that you do not need., but you will need an LDO voltage regulator as the battery may go up to 4.2 volts. So: solar panel->TP4065->battery-->3.3V LDO->ESP8266
Thanks for this presentation. A schematic diagram accompanying your excellent presentation will be very much appreciated by many of us.
I have it in my blog mate
Please check it out there, thanks
Well done, that was what I was after
Thanks for your video. If I use 18650 battery with built-in overcharge and undercharging protection and I connect to TP4056 with protection (DW01) will there be a power drop or other problem?
Finally, do I need this diode 1N4007 if I have a typical TP4056 without protection (DW01)? Someone wrote that it probably is not needed but I want to have reverse voltage protection.
HI There
According to the datasheet: No blocking diode is required due to the internal PMOSFET architecture and have prevent to negative Charge Current Circuit.
You dont need a DW01 coupled up with TP4056 boards. There are two variants of TP4056 boards. One of then already have a n inbuilt protection IC on it. However in general any component you add to a circuit will cause a bit of drop.
Cheers
Hi bro! Thanks for your great work! Could you answer my questions? I will be very grateful!
1. If i connect 3 solar panels in parallel (3x 5,5 V 0,4W) will I burn the TP4056?
2. Will 2 solar panels (2x 5,5 V 0.4W) be able to recharge 2x 18650 or do I need 3 this solar panels?
3. Can I recharge this system from a laptop to TP4056? There is mini USB port.
First of all thanks for watching my video. Now the answers are as follows:
1. TP4056 can have an input Supply Voltage(VCC)：-0.3V～8V and Input Supply Current in Charge Mode is between 150 ~ 500μA. A long as u stay under the max limits you will not fry anything.
diyfactory007.blogspot.com/2018/04/diy-solar-battery-charger-hi-everyone-i.html
2. If you pump in more current your battery will charge faster.
3.Yes you can
Thank you very much for your answer!
I'm sorry to bother you. I have one more question. The TP4056 specification states that Input Supply Current must be 150 - 500 μA. I have only connected one solar cell (5,5V 0,6W) with wires and the meter shows 83 mA. When I connect 3 in parallel, I'll be 240 mA Why is that? And how do I know that I have not exceeded the required 500 μA?
@@CrazyCoupleDIY Cool answer, ive been researching the TP4056 for a while simply trying to find somewhere where they specify supply voltage parameters. Thanks!
@@CrazyCoupleDIY the answer for question 2 can i ask if i use solar the volt is not limit 8v but the Watt is high stilll can use for this circuit to charge batt fast?
so if the discharge is cut off at 2.5v, does it mean when it goes to 2.6 there'll be draw on the battery again? How do I make sure the battery is suffiently charged before allowing load on the battery?
If you continuously feed yr arduino this way, you need to add a so called 'powerpath' to avoid the current needed for yr project to interfere with the TP4065's charge characteristics.
Could you use all the battery WHILE charging in parallel? i would need to power a small GPU that require 5V and about 2.6Amp so im thinking of using 6 TP4056 (in parallel), 6 batteries and 1 DC converter to 5V (up to 3 amp). Does it sound stupid? I would have to find a solar panel for that but that is not my problem at the moment.
You may,
Just make sure you are producing more than consuming.
Just a bit of correction, you need solar panels with more wattage to efficiently charge the battery
That’s is correct
can give example what solar panel can use
@@mohdazri1170 I fucking hate you more now
Why a diode on the solar panel??? In the data sheet for the TP4056 on line 5 it specifically says that no blocking diode is necessary as the internal mosfet does not allow reverse current from the battery. That way you can avoid the 0.7v loss a diode costs, making your solar panel more efficient.
That is absolutely right.
@@CrazyCoupleDIY I'm messing with a TP4056 right now for the same kind of application and watching UA-cam videos is always part of any research! Another improvement would be to desolder the red led to save a few more mA when charging. I'm using a 5W thin film panel with indirect light, for charging a 300mAh li-ion battery in my small world band radio (normally run on two AA cells), I use it as a clock radio to wake me up each morning, and it works perfectly playing news for one hour each day on the sparse sunlight it gets a few meters from the bedroom window. I'm in the process of eliminating parasitic power use in my home, and my previous LED clock radio with and old style transformer used 6W according to my new digital meter. This one runs for free.
Just pinched the red led off with pliers. Now the solar panel is at 3.76V while the battery is at 3.52V, that is only 23mV drop, quite good, so the TP4056 is very suited for solar applications.
Good work nice finding. I will pin your comment to the post
very much helpful project...
I like ur video, but why do you not use a charge controller between the solar panel and the circuit you described in video?....
The TP4056 chip has an inbuilt BMC circuit
hi, the silicon diode not important because drop 0,7volt schottky only drop 0,2 volt,but i read somewhere tp4096 not need diode if solar is the power supply.
Actually, u are right
Referring back to your comment:
You definitely need a Diode
reason: TP4056 has no inbuilt MOSFET, and hence a Sense Resistor or Blocking
Diode is Required
good and nice video
Thanks
Hey can i use the battery while charging?
Also what is the maximum input on the tp4056 because i am planning to power it with 5v 200mA solar cell (5x)
Hi There
If you have a fully charged battery you can definitely connect it to a circuit while charging.
The Input Supply Voltage(VCC) is:-0.3V～8V
Output voltage: DC 4.2V. 4 chips, with a reasonable turn-off voltage, the charging circuit for each chip set 750mA, total 3A. Input connected two 5A Schottky diodes, 5V standard voltage input chip heat ideal (3.8V battery test). Comes with over-temperature protection, short circuit protection.
You can connect two lithium battery cells in parallel to form an equivalent single cell battery with a total capacity of twice that of the individual single cells, but I do not recommend connecting more than two cells at a time to this module.
When connecting your lithium batteries in parallel, it is best to charge each battery individually before making the parallel connection(s). With a voltmeter, check the voltage a couple hours after the charge is complete and make sure they are within 50mV (0.05V) of each other before paralleling them.
one dout how can i do 12v battery charging using solar video please
Hello, great video. Is it important to keep constant current for 18650cells? cause it's written that they should be charged cc/cv, but as I understand it depends from everything when you charge them with the sun panel. So does the current fluctuation damage them in any way or not?
No it doesn't,
I am using this setup to power my mailbox notifier for over 2 years and I never had any issues with it.
I would not recommend to directly connect the USB boost module to the battery as than the battery will have no under voltage protection.
Was working on this exact setup but in my case the Solar Panel output is 28v is there a version of the TP4056 that accepts 28 volts at its input?
As per the datasheet:
·Input Supply Voltage(VCC)：-0.3V～8V
·Preset 4.2V Charge Voltage with 1.5% Accuracy
I am not sure if you can feed 28v into it.
DataSheet:dlnmh9ip6v2uc.cloudfront.net/datasheets/Prototyping/TP4056.pdf
Very well explained
I need help for a were project what if a were battery is V12? What should we do to charge it
TP4056 has:
Input Supply Voltage(VCC)：-0.3V～8V
The charge voltage is
fixed at 4.2V
So to charge a "single 12 V battery" you will need more power.
In general terms, you just need to add the chips in series to sum up the output voltage to the threshold and then use some voltage regulators to have it fixed @ 12V
But to charge a 12 v battery you will have to use solar panels with more wattage
I hope this helps
@@CrazyCoupleDIY tanks but where can i get TP4056 and 1n4007 diode, SPDT switch , solar?
eBay or AliExpress
Can I use 9v battery for the replacement of 3.7 lipo battery
The Output Voltage of tp4056 is 4.2 V
Hence you cannot attach a 9V batter.
Very nice and clear explanation
Thanks a lot.
Dear sir.. I already try it.. i also attached with voltage divider to monitor the voltage into the thingspeak iot platform. Sadly said, the unit fail to charge based on your design. Any hint why.. the battery percentage always indicate the discharging of the battery, but no battery input was exist. I attached with the wemos without booster
What do I want to do if I want to make this on a bigger scale? How to charge more batteries at once?
You need panels with more watt output.
I have a setup that charges 2 x 18650 batteries using 4 x 6v, 1.5 amp panels
1.Is it ok to use this regularly without removing from the sun? I'll use it and display on our garden
2. Will my battery explode if I do that (no. 1) and the battery is full charge?
1. You definitely can. I have a weather station running 24 x7
2. The board has under and over charging protection
So no worries mate
Bro it would be helpful if u could reply me. Can I supply 2.5 amps to the tp4056 without burning it?
TP4056 can have an input Supply Voltage(VCC)：-0.3V～8V and Input Supply Current in Charge Mode is between 150 ~ 500μA. A long as u stay under the max limits you will not fry anything.
@@kanika1084 Yeah that's why I was asking cause more current shouldn't harm anything right? Also due to 500 ma of current the charging is tremendously slow
That is right guys
@@CrazyCoupleDIY so bro should I supply my tp4056 board with5v 2 amps
As per Kanika’s comment and the data sheet the board will fry up if you feed 2amps of current into it
Nice tutorial i like it keep it my new friend very helpful
How can I upgrade a led solar light pir as the battery doesn't last long... I want to upgrade it to a 18650 battery.
You need a panel which can pump more current than normal.
Can I use XY-016 2A Max DC-DC Step Up Power Module Booster Power Module
Property:
1) Maximum output current: 2A (recommended for use within 1A)
2) Input voltage: 2 v ~ 24 v
3) Maximum output voltage:> 28 v (recommended for use within 26V)
Sure you may
Thank you sir, This was really helpful
You are welcome
Check out my other videos and subscribe to stay upto date.
Thanks again
Check out this little solar idea. ua-cam.com/video/Dp-6fOGI6oc/v-deo.html
Hi i have a question,
I have 40v (12W) solar panel and 12 v AGM battery.... How amcan i set up economic charge controller? Most charge controllers are low voltage rating and PWD where we lose lot of energy in DC step down. What is your suggestion
if i am using a 9v battery, is a power booster necessary? and btw great video. Thanks!
First of all thanks for the appreciation and your time.
To charge a 9v battery to an optimal level u will need a panel that outputs somewhat similar voltage and high ampere. If you add a booster in the way then you will be wasting a bit of current/voltage generated by these panels.
Thanks man !
You are welcome
Curious, if wiring it this way without the switch listed.Will it be able to charge a battery while the battery is powering something at the same time (this is under the speculation of using a better solar panel of course)?
Yes it will, but the rate of charging will be low and the battery will in general never be fully charged.
Thank you for the response. Was planning on using a pair of panels in parallel for 5v 1000mah.
That will do the job
I have a similar setup for my letterbox indicator.
Hi there, was wondering, while the solar panel is connected and charging the battery, can I still connect a Mini usb to the board to charge the battery. This shouldnt cause any issues due to 2 different devices charging the battery?
It should be ok as long as you have the diode in place. The diode will stop the backward flow of electrons
Now that you mentioned it has Reverse voltage protection in some other comment, do I still need a diode for this scenario (both usb + panel)
It will work without the diode
The diode is just for an extra level of protection. However there is a bit of current/voltage drop if you put the diode.
Thanks a lot for this, just one question:
Can i not remove the switch?
Thanks a lot for watching, yes you may
You can, but I would not do that, as the boost converter will drain the battery at night, even when the device isn't used. Possibly you could improve it a bit by removing the LED from the boost converter.
Maybe the switch could be replaced by a photocell, a timer, or both.
Dear sir, i just want to ask if you have any ideas on how i can stop the battery from keep charging?? I have an idea on applying arduino, which monitor the power in the battery, so if it is max it will be auto discharge and min auto recharge
Can I charge multiple battery? Says , 2*18650 in parallel?
You will need panels which can output more current in that case
Thank you
Most welcome
Where did you purchase the load tester? I want one!
From Ally Express
Look under LED torches.
can DIY charger 134N3P replace these 2 module?
134N3P is a similar battery charging board with protection, so the answer is yes
keep growing, hunn
Very nice
Thanks
Awesome ...you are just awesome
Hi! just wanna ask. For the Solar Panel, what maximum power current do you prefer? 100, 150, 200 or 300 mA? Thank you
hi how i can do the same but i need to have more batteries I want have an arduino uno or nodemcu with some complements as Bluetooth(in case of arduino), temperature sensor, soil humidity sensor connected all the night
You can add more batteries in parallel that way voltage remains same but current buffs up. But you will also need more panels to charge them
@@CrazyCoupleDIY that would work for me but how I can calculate how much batteries I need for all the night xD
Try this online calculator
www.powerstream.com/battery-run-time-calculator.htm
Brilliant
I have a usb power bank I would like to charge using solar. I was planning on using one or two 6v panels. If I am doing that with this system do I need the battery portion of this system or can I just remove the battery and holder?
Yes you can remove the battery portion
I have a question,
How can I charge 2 of these batteries with solar panels?
waiting for the answer.
2 batteries will need more wattage.
Which mean you either can add more panels or single panel with more wattage
In simple terms more electrons are needed.
Excellent
thanks
if i use a 2x18650 3.7V do i still need the switch and voltage booster?
The switch is to break the battery utilization circuit (the load) from using the battery when its getting charged.
You can either use a mosfet/transistor in place of the switch or you can remove it all together.
if you add 2 x 1865 in series you will get more voltage output so you may not need a booster, but in that case you will need a powerful solar panel
If you add the 2 x 1865 in parallel then you will only increase the current and not the voltage output. In this case again you will need a panel with higher wattage output
@@CrazyCoupleDIY awesome thx soo much!
Well
Great trick
I want to use this project to power up a security camera which is too far to have regular power. I will use 4x18650 batteries and 2 pieces of 2.5W 5V 500mAh solar panels.. My doubt, will i need the diode or can i proceed also without it?
You dont need the diode.
The datasheet shows that the board has inbuilt reverse voltage protection capability
If you add the diode you will loose a bit of current generated
Perfect thanks
Tp4056
@@CrazyCoupleDIY that means the diode is not really needed?
Good one crazy couple.
I could not get 18650 battery so I intend using a phone battery by removing the battery protection circuit.
Can it work?
It will work, Phone batteries generally come with inbuilt protection circuit.
Secondly if you have a faulty old laptop, just open up the battery pack and boom you will have 8 18650 batteries :)
keep the protection circuit, it is good to have redundancy. (Li-ion battery fires are not friendly to your house) just solder onto the gold contacts.
if i use the batt 3.7v 1300mah x 3 still can charge right or need to add anything??
Hello, does 1 3.7v lithium ion battery can power arduino uno?
You will need to add a booster
What is your eBay? I am looking to put this in a “little free library” with a small led strip with a micro magnetic switch. The light won’t use much power and won’t be on for long periods or even used all that much
I used to have an eBay sellers account, but no more. however u should find all these components easily on eBay or Aliexpress
supper bro
Thanks my friend
Is the TP4056 necessary for this circuit? would it not be possible to go from the panels directly to the battery then to the voltage convertor?
Hi there
Yes you can definitely bypass the TP4056 board
The reason I have added it to the circuit is to protect the battery from over or under charging.
These batteries can catch fire if they become too hot or will completely die if they loose all their charge.
With the TP4056 board with two outputs, how does that wiring work? the B+ and B- to the battery and the other outputs directly to the 5V voltage booster?
Yes, please have a look at the video. I have explained it in there.
Basically thats the way the battery is protected from under or over charging.as soon as the max or min point is reached the circuit cuts off the connection between the battery and the output pins.
upon assembly of this circuit, I have a red light in the TP4056 board but the phone still doesn’t charge. If i plug the TP4056 into a power source the phone begins to charge… therefore i believe my circuit is wired correctly… does the board just need to change up? before it will work and charge a phone? let me know some steps in troubleshooting this!
CheMur PS solar panel current must be really low. What solar panel are using?
All the best
I have a 6v 1w solar panel. I aim to put (2 x 3.7 18650 cells) in SERIES.
How do I adapt the circuit/s for this setup ? Thank you!
The circuit would be the same but it will take longer to charge the batteries.
In general, terms, if you increase the number of batteries you need to increase the amount of current flowing out from the panel to the batteries (so may be try a bit more wattage)
@@CrazyCoupleDIY OK, so more solar wattage needed, check! thank you!
@@CarneSagrado Yes you need a more powerful pannel :)
Crazy Couple would a 9v solar panel work with this system?
@@markbriggs5110 9v will burn the TP4056 chip
as the Input Supply Voltage(VCC)：-0.3V～8V
Please have a look at the datasheet : dlnmh9ip6v2uc.cloudfront.net/datasheets/Prototyping/TP4056.pdf
Super simple system man. Thanks for sharing.
Thanks for watching. More tutorials are on its way. I hope you will like them. 👍
if i use 3 batt 14500 need to use voltage booster for power the project?
Hi bro
I have few doubts
Firstly I want to give supply to the arduino uno from batteries using solar panel. The range of arduino uno working is 7-12v so, what setup should I do using batteries and solar panel
I use 2 x 18650 batteries to power my uno
In 1N4007 Diode which is better to use the 50V or 1000V?
Depends on the level of tolerance
Can the solar panel wired more than 3 meters so that I can mount the panels in the roof and the charging unit is inside the house/shaded area?
I don't see why not
If the solar panel have a usb output can i just plugin the usb?
sure u may, but just be careful of the pin out
@@CrazyCoupleDIY thank you
@@CrazyCoupleDIY sorry can i ask you what pin out?
How can I get the Tp4056 battery protection Board
And the 5v power booster
Aliexpress
@@CrazyCoupleDIY I don't understand
@@CrazyCoupleDIY how do I get it
Amazing
what if I dont add the switch between the battery and the booster?
The circuit will still work even if you dont add the switch in between
I added it to avoid charging and discharging at the same time.
Thank you for the prompt reply.
I am asking to know if there is any side effects for charging and discharging in the same time? will that cause any serious issues?
Not really, I have a remote logger installed on my roof and it works fine with this setup.
I also use this for my smart letterbox and i never had any issues.
Both setup dont have the switch in it.
Unless your circuit is draining the battery drastically this setup will work without any issues.
The only thing is you will never get the green light (fully charged indicator)
Nice :) I am making an autowatering system that will just wake up every hour so I dont think it will cause any issues
btw I am so much interested in seeing your other two projects any plans on making videos about them ? I am also planing to make a letter box notifier :D
IT should work without any issues mate.
Yes, Currently I am making a video on automatic garage lighting system, and the next one will be on garage door opener with few other features that you will not find on any other blog.
Sure I will create tutorials on them in near future
Stay tuned and best of luck for your project :)
Where can I buy all does things and how many it cause?
You can place an order via my website or from eBay
Th total cost was under $10
Will this produce enough current to power an arduino with bluetooth module and basic LED timer display? I would use two 5V solar panels producing 0.04 A current and 0.2 W power each. Thank you for your clear explanation.
BT modules consume lot of power. In general any wifi module drains out battery pretty quickly unless you put it on sleep or use interrupts.
LEDs are also massive power drainers.
The best way would be to connect a multimeter in series and calculate the power consumption and then do your math and see how long the device will last on a fully charged battery and based on your math you can find out how much power you need to charge them back up.
Very nyc thanks for sharing
Can i use lithium polymer instead?
Haven’t tested but why not?
If it’s a 3.7v battery it will work for sure mate.
@@CrazyCoupleDIY thank you bro:)
I want to make four 3.7 volt modules and connect two voltages from usb output in series to 7.4 volts and two 7.4 volts in parallel to increase current. Can I use it like this?
Sure you can
I don’t see any reason why not
@@CrazyCoupleDIY thank you so much have a good day!!!
is this project can power a 12v dc motor?
You better of using this just to change a battery with in turn can drive the motor
Briliant
Thanks mate
Hi i'm working on an engineering project. Just a quick question as the solar panel is used as one of the power sources, where you have connected this to the circuit are you able to replace this with a generator which is turned by a turbine etc?
The input terminals of the module is recommended to use with clean DC voltages of -0.3V ~ 8V. Generators which are turned by a turbines outputs AC voltages, so you can't connect it directly, without a rectifier and a voltage stabilizer. (I'm no expert here but hope this helps)
@@nubamin8653 thank you it did great video
can I connect the battery to an arduino board?
Yes u may
Can I charge a battery pack that contains 4 Li-ion batteries using this set-up as well or do you have any recommendations? Your response is very much appreciated for my research project.
This setup is to charge a 18650 battery which has the following specs
Nominal Voltage: 3.6V.
Nominal Capacity: 2,850 mAh.
Minimum Discharge Voltage: 3V.
Maximum Discharge current: 1C.
Charging Voltage: 4.2V (maximum)
Charging current: 0.5C.
Charging Time: 3 hours (approx)
Charging Method: CC and CV.
If the Li-ios you are charging falls between these specs then you should be able to, otherwise you may need more panels and few more of the protection circuits.
In reality one protection circuit should be used for 1 cell (they are dead cheap anyways)
@@CrazyCoupleDIY thank you!
nice info
is it okay if i want to use this circuit for charging the mobile phone?
Sure is, but you will need 2 to 3 of those solar cells as one is not sufficient to provide enough current to charge a phone.
Crazy Couple alright..thank you so much
Pleasure, I will publish a DIY charger box video soon
It will be multifunctional charger box.
Stay tuned for that :)
Crazy Couple noted.I will wait for that video
I have a question, how can I charge the battery using the solar panel and use the battery for my Arduino project
This setup should work flawlessly
Just attach your Arduino's Vin and negative to the output of the booster
@@CrazyCoupleDIY can I charge a li-ion battery pack that contains 4 li-ion battery using this setup as well or do you have any recommendations. Thank you so much for your time!
Interesting
Very great video. I have few questions,
1. I have 2 Li-ion batteries connected in series to get higher overall voltage values, but I step down using buck converter to 5V, so this eliminates the booster. will that be okay?
2. Can I charge the same with Ni-Mh batteries with the same board?
3. What if I buy CN3065 and use the same to charge the Ni-Mh batteries?
4. If i want to increase my overall battery capacity, should I add more TP4056 to match the current rating and add more batteries accordingly?
First of all thanks for stopping by.
1. That should be fine
2. I dont see anything that will stop you from doing that
3. Yes. I have a small RC car that I created, which has 3 of the 18650 batteries. Each battery has their ow BMC (battery management circuit) to avoid over or undercharging
@@CrazyCoupleDIY you were really helpful, thanks. Wish to see more from you. keep up, bro.
The TP4056 charger doesn't track the MPP of the solar panel, so inefficient.
😀
can this be the power source to the arduino ptoject?
Yes it can, but not without the battery.
Solar panels wont have enough current to power an arduino.
So you need to charge the battery using this circuit and the battery will power the Arduino
@@CrazyCoupleDIY how can I do that please need your help for my project
@@theolix9938 ya same like you
its great info
Do you have a circuit diagram for the same which I can use for online simulation ?
If I did one then it should be here mate diy-projects4u.blogspot.com/
How to connect this system with a Arduino
This will only power up the system
Just connect the +ve to VCC and GND to GND
and how do i connect TP4056 with the protection to the battery? do i use B+, B- or OUT+, OUT- ?
IN+ and IN- are for the input, B+ and B- is where the battery connects to and OUT+ and OUT- is where your devices are connected.
So basically if the voltage is low or high the OUT will not output anything
Let me know if you need further clarification
This is my Blog: diyfactory007.blogspot.com.au just for your reference
Crazy Couple thank you xD and one more question xD how to connect voltage booster with it all? btw great video, keep it up xD
Just connect the IN+ and IN- of the booster to the OUT+ and OUT- of the TP4056 board.
The booster outputs the voltage from the USB port, so you need to connect a USB cable to harness the boosted Voltage.
Thanks again for watching, stay tuned for more amazing videos :)
Hello, thank you. Is it still possible to reload via usb?
Yes, you just need to plug in the USB cable to the TP4056 charger board
See the schematics at 03:05
abs0lute perfect.
Thanks
The diagram is shown but how’s the the connection done
The connection is done as per the diagram mate.
this also works for powering an arduino uno?
Yes it does
But you may need to add a panel with higher wattage
Any sugesstion?
I power my NodeMCU using a 1.5W panel and it works like a charm
It cost me $3 from eBay
Ok, so i need a 1.5W panel to power my arduino, thanks for the help my friend
Pleasure
Can I use spst switch?
Yes foe sure