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Battery pack soldering
1xSN74HC21N 74HC21 Dual 4-Input Positive-and Gates Breadboard-Friendly IC DIP-14
an 8-channel/10-bit A/D converter (TQFP and QFN/MLF)
and it works great
Hw-466ab Esp32 C3 Super Mini Development Board Esp32-c3fh4 bluetooth board Battery pack solderingThe ESP32 C3 is a cost effective, low power Wi Fi and Bluetooth dual mode chip, ideal for IoT and wearable applications. Featuring a RISC V single core processor at 150MHz, it integrates Wi Fi 4 and Bluetooth 5. 0. Key Features: Dual Mode Connectivity: 2. 4GHz Wi Fi and Bluetooth LE 5. 0. Processor: RISC V 32 bit single core, 150MHz (up to 160MHz). Memory: 400KB SRAM, 384KB ROM. Low Power Consumption: Designed for efficient IoT applications.
