Battery Powered Magic Blue Bulb - Charging + Power Supply module
Learn more about it in my blog post - How To Make Your Very Own Wireless, Extra-Magic Smart Bulb.
| Name | Quantity | Unit Price | Link | Comment |
|---|---|---|---|---|
| 12V Step-Up Voltage Regulator | 1 | $3.95 | Pololu | |
| MicroUSB Connector | 1 | $1.50 | SparkFun | |
| SMD Right Angle Switch | 1 | $0.95 | SparkFun | |
| 2-Pin JST Connector | 1 | $0.95 | SparkFun | LiPo Battery Connector |
| MCP73831T | 1 | $0.15 | AliExpress | LiPo Charging Chip |
| RT9013-33GB | 1 | $0.19 | AliExpress | 3.3V Voltage Regulator |
| 0603 4.7kΩ Resistor | 1 | $0.01 | - | R3 |
| 0603 10kΩ Resistor | 1 | $0.01 | - | R2 |
| 0603 LED | 1 | $0.01 | - | Charging indicator |
| 0603 4.7uF Capacitor | 2 | $0.01 | - | C1, C2 |
In addition, you will also need a small LiPo battery - a 100mAH battery should do the trick, and obviously, the bulb itself.