
8421 absolute position encoder with 16-gear code, offers unique positions without needing memory. Ideal for industrial systems. Specs: 150mA, 42V, -40~85℃.
8421 BCD code 8 port
8421 BCD code 4 port
8421 BCD code 2 port
8421 BCD code 1 port
Common Port-Connect to VCC
Common Port-Connect to GND
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| 8 | Official table 2 row 1 | pin | 8421 BCD code 8 port | |
| 4 | Official table 2 row 2 | pin | 8421 BCD code 4 port | |
| 2 | Official table 2 row 3 | pin | 8421 BCD code 2 port | |
| 1 | Official table 2 row 4 | pin | 8421 BCD code 1 port | |
| C |
Breakout Boards · Interfaces
Module pins: C, X. Schematik maps them to your board in the app.
SparkFun Qwiic Pro Micro BoogieBoard visual preview
9V to Barrel Jack Adapter visual preview
SparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
MicroUSB Plug to 5.5/2.1mm DC Barrel Jack Adapter | Kiwi Electronics visual previewSort passive connector adapters from Qwiic boards, LCD modules and microSD card adapters before assuming anything with the right plug will substitute safely.
Connectors & cables · Connectors · 28 parts
RGB backlight positive LCD 16x2 visual preview
SparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
I2C 20x4 Arduino LCD Display Module visual preview
Gravity: I2C 16x2 Arduino LCD with RGB Backlight Display V2.0 visual previewCharacter LCDs, SPI TFTs, e-paper modules and larger capacitive-touch TFT panels solve different display jobs. Treat display class, interface, controller, resolution, touch, refresh behaviour, storage, voltage and mounting as separate swap checks.
Displays · TFT & LCD displays · 33 parts
MQ-2 Gas Sensor visual preview
MQ-3 Gas Sensor visual preview
MQ-135 Gas Sensor visual preview
Grove - Air quality sensor visual previewChoose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.
Sensors · Gas & air-quality sensors · 29 parts
Arduino Uno visual preview
Raspberry Pi Pico visual preview
Adafruit Feather nRF52840 Express visual preview
Pan-Tilt HAT kit visual previewESP32, Arduino Uno, Raspberry Pi Pico, and compatible add-on boards for running builds.
Boards · Microcontroller boards · 24 parts
| Official table 2 row 5 |
| power |
| Common Port-Connect to VCC |
| X | Official table 2 row 6 | ground | Common Port-Connect to GND |