TTGO T-Cell ESP32 Wifi & Bluetooth Development Card
TTGO T-Cell is an ESP32 based development card. There is a 18650 battery slot on the back of the product. Thus, the product can be operated without being connected to an external source.
Technical Specifications:
- Latest ESP32 Version: REV1
- Enhanced WIFI Performance
- Bluetooth
- 4 MB Flash
- 4 MB PSRAM
- 18650 battery slot
- TF Reader
- Antenna Input
- 2A Battery Management
- LED indicator: There are 4 LEDs that show the battery status in real time.
- Power button: Clicking once will start. 2 times quick click will turn off.
- Navigation button changed (IO34, IO35, IO39)
- 2A Self-recovery fuse Battery Connection Reverse Protection
- Default firmware: Latest Micropython firmware
- Add battery switch, charging IC (IP5306 changed to TP4054)
- LDO (1117) changed to DCDC (SY8089)
- Temp. add diode 1N4148 on CP2104 to prevent
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