The Ext Encoder unit is an acquisition unit for an external rotary encoder, it supports AB/ABZ signal input, using the STM32F030 main control integrated encoder signal acquisition and decoding firmware, users can obtain the encoded value through the I2C reading operation, suitable for robot arm position control, automatic cutting in the field of industrial automation, meter wheel, and many more projects! Features * Supports signal acquisition with external rotary encoders * AB/ABZ signal input * Built-in STM32F030 main control, integrated encoder signal acquisition and decoding firmware * The encoded value can be obtained directly through the I2C read operation Specifications Resources Parameters Sampling accuracy 12 bit Signal input type AB/ABZ I2C Address 0x59 Product Size 40x24x14mm Package Size 67x53x12mm Product Weight 8g Package Weight 21g Resources * Product Wiki * STM32F030F4P6 Datasheet Package Contents * 1x ExtEncode Unit * 1x Grove Cable(20cm) * 1x VH2.54-5P https://elecena.pl/product/23605602/m5stack-ext-encoder-unit-stm32f030 2023-06-06 https://elecena.pl/product/23605602/m5stack-ext-encoder-unit-stm32f030 2023-12-27 https://elecena.pl/product/23605602/m5stack-ext-encoder-unit-stm32f030 2024-09-18 https://elecena.pl/product/23605602/m5stack-ext-encoder-unit-stm32f030 2024-11-29 https://elecena.pl/product/23605602/m5stack-ext-encoder-unit-stm32f030 2024-11-30 https://elecena.pl/product/23605602/m5stack-ext-encoder-unit-stm32f030 2025-11-28 https://elecena.pl/product/23605602/m5stack-ext-encoder-unit-stm32f030 2025-11-29