- Micropython ESP-WROOM-02D
- adafruit Red 7-segment clock display
- Registors:
- 10K x3
- Ceramic capacitors:
- 0.1uF
- 3.3V power supply
- USB to TTL convertor
3v3 3v3 3v3
--- --- ---
| +-----------+ | | +--------+
+---|3v3 RST|-[10K]-+ +---|3v3 |
USB to TTL | | 3v3 | |
convertor | IO0|--->SDA --- IO0<---|SDA |
RXD<---|TXD | | | |
| IO2|--->SCL [10K] IO2<---|SCL |
TXD<---|RXD | | | |
| EN|-----------+ +---|GND |
| | | | +--------+
+---|GND IO15|-[10K]-+ --- 0.1uF | adafruit 7-segment
| +-----------+ | --- --- clock display
| ESP-WROOM-02D | | -
--- --- --- GND
- - -
GND GND GND