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Description
A Lipo charger and protection circuit, a boost converter, a bunch of WS2812b and an ATMega328p - All of this makes a circuit forremote operating LEDS.
The circuit include a header to plug a RF module (nRF24 ?).
The ATMega is used with it's own internal oscillator (not precise 8MHz), but it's sufficient enough to drive this small circuit.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | FS312F-G | U1 | SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR | 1 |
| 2 | TP4056 | U2 | ESOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP | 1 |
| 3 | 1k | R1,R3,R4 | R0603 | 3 |
| 4 | 22uF | C1,C2 | C0603 | 2 |
| 5 | 10u | C3 | C0603 | 1 |
| 6 | ledr | CHRG | LED0603-R-RD | 1 |
| 7 | ledg | FULL | LED0603-R-RD | 1 |
| 8 | 7.5k | R2 | R0603 | 1 |
| 9 | FS8205 | Q1 | SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR | 1 |
| 10 | 2k | R5,R7 | R0603 | 2 |
| 11 | BAT+ | BAT+,BAT- | HDR-1X1/2.54 | 2 |
| 12 | 100 | R6 | R0603 | 1 |
| 13 | 0.1u | C4,C5 | C0603 | 2 |
| 14 | MT3608 | U4 | SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL | 1 |
| 15 | SS34 | D1 | DO-214AC_L4.3-W2.7-LS5.3-RD | 1 |
| 16 | 22uH | L2 | WE-TI_809589 | 1 |
| 17 | 10k | R8 | R0603 | 1 |
| 18 | HDR-F-2.54_1x6 | BURN | HDR-F-2.54_1X6 | 1 |
| 19 | HDR-F-2.54_1x2 | CHARGE | HDR-F-2.54_1X2 | 1 |
| 20 | HDR-F-2.54_1x5 | PROG | HDR-F-2.54_1X5 | 1 |
| 21 | WS2812B | LED4,LED3,LED2,LED1,LED5,LED6,LED12,LED11,LED7,LED8,LED9,LED10 | LED-SMD_4P-L5.0-W5.0-BL | 12 |
| 22 | JS202011AQN | ON/OFF | JS202011AQN | 1 |
| 23 | HDR-F-2.54_1x4 | RECV | HDR-F-2.54_1X4 | 1 |
| 24 | ATMEGA328P-AU | U3 | TQFP-32_L7.0-W7.0-P0.80-LS9.0-BL | 1 |
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