- It is a Infrared ESP8285 Wireless WIFI Transceiver Module.
- The esp-01m module with ESP8285 as the core be used as the master control, the program is the same as ESP8266.
- The module is equipped with an infrared receiving tube and an infrared transmitting tube which are respectively io14 and io4 controlled, and a burning port sets apart.
Note:
When power is supplied, please check 5V and GND carefully. The circuit has no reverse connection protection, and the wrong connection may burn the chip.
When programming the program, IO0 and GND must be short-circuited, and the module needs to be powered on again. After programming, disconnect IO0 and GND and power on again to run the program normally.
Connect with TTL downloader:
GND--GND
5V--5V
RX--TX
TX--RX
Update firmware:
- Connect IO0 and GND pins.
- Connect module to PC by USB to UART converter.
- Open software 'FLASH DOWNLOAD TOOLS V3.6.4'.
- Set parameters.
- Click START to download firmware.
- Remove connect between IO0 and GND pins then update complete.