Power Supply
You can you two method to supply power to your bot
- Onboard Supply (battery)
- Using plug adapter
Onboard Supply
A battery is a portable unit, you can use rechargeable or non-rechargeable as per your choice. The cost of a rechargeable battery is little high but it is cost-efficient on long run.
A rechargeable battery type needs a balance charger. You can create your own charger or buy it form the market. Also, some battery needs a protection circuit to prevent over-discharge or overcharge.
| Battery | mAh | Image | Charger Req. | DIY Charger | BMS Requirement | Charge Time |
|---|---|---|---|---|---|---|
| LiPo | 1200 mAh + |  |
Y | N | Y | 2 - 5 Hr |
| LiPo | 150 mAh - 1000 mAh |  |
Y | Y | Not Important | 0.5 - 2 Hr |
| NiMh | 1500 mAh - 3500 mAh |  |
Y | N | Y | 1 - 5 Hr |
| 9v | 150 mAh - 350 mAh |  |
non-rechargeable | - | N | - |
| AA 1.5v | 1000mAh - 1500 mAH |  |
non-rechargeable | - | - | - |
Charger
A balance charger is needed to charge the rechargeable battery. Applying overvoltage may damage the battery. Also over current may cause the hazardous effects.
| Charger | Image | Comment |
|---|---|---|
| NiMh BMS charger |  |
Charger and Protection circuit. 3S charger in image |
| LiPo Charger |  |
Charger for 1S to 6S battery |
Adapter
Using 12V, 1A or 2A adaptor is a cheap choice for bot it need an LM7805/LM2596 DC voltage regulator get get 5V supply in your device.
Arduino can take 6V-12V power supply using barrel jack. Excess current or voltage may burn the Arduino chip.
