Hardware Teckin SP22 v1.4 and v1.6
| Property | Value |
|---|---|
| Manufacturer | Teckin |
| Product page |
Teckin Link Amazon Link |
| Wiki page | |
| Build flag | TECKIN_SP22_V14 |
| PlatformIO | teckin-sp22-v14 (since 1.13.4) |
Variant of Blitzwolf SHP2
See
https://github.com/xoseperez/espurna/issues/1283
https://github.com/xoseperez/espurna/issues/1431
https://github.com/arendst/Sonoff-Tasmota/issues/3950
Note: Based on #1431, board ASIN B07D5V139R (v1.6)
As the case is glued (no screws anymore) it's really difficult to open. SMD hot air soldering kit (or heatgun) are your best friends in this case.
This device is based on TYWE2S. Connect pins accordingly (right-to-left on the picture below):
Red - VCC (3v3)
Blue - GND
Purple - RX
Green - TX
Comment by @Wikibear (from #1431):
TX RX must be connected directly but GND and power you can also connect here, which is easier to solder:
To make the ESP go into flash mode, you have to connect DI0 to GND. That's a bit tricky as DI0 is not available in the pinout but is on the PCB:
