but it's simply a variable resistor
It has a big surface area with predrilled holes for installing sensors and electronics according to your needs
IR Emitter KY-005
The threshold level for digital output can be easily adjusted using the preset on the board
ST-Link V2 Programmer For STM8 and STM32 7mm potentiometer knob but it's simply a variableThe ST Link V2 Programmer for STM8 and STM32 is fully compatible with the official version, featuring automatic upgrades, full range STM32 SWD (only 4pins including SWCLK, SWDIO, and power) download and debug, and full range STM8 SWIM (just 4 Pins including SWIM, Reset, and power). Send programme code to the 32 bit STM32 ARM Cortex or 8 bit STM8 microcontrollers with this device. 5V, 3. 3V, SWCLK, SWDIO, SWIM, Reset (RST NRST), and GND is all