It also has auto-reset for Arduino/ATmega328 boards so no noodling with pins and reset button pressings. This board features the CH9102F USB-Serial chip that can upload code at 3Mbit/s for fast development time.Compared to the original Feather with 4 MB Flash and no PSRAM, the V2 . CH9102F WCH(Jiangsu Qin Heng) US$1.346 - QFN-24-EP(4x4) USB ICs ROHS datasheet, price, inventory C2858418.This item: LILYGO Meshtastic LORA32 T-Beam V1.1 ESP32 Development Board WiFi BLE CH9102F Chip TTGO Soldered OLED Module $43.50 915MHz LoRa Gateway Antenna Omni 5dbi Gain SMA Male Connector 2 PCS $11.99 LILYGO LoRa32 915Mhz ESP32 Development Board OLED 0.96 Inch SD Card BLE WiFi TTGO Paxcounter Module $30.50 Product Description Product introduction기존 제품의 CP2104 칩을 CH9102F로 대치하고 아래와 같은 기능의 개선이 이루어진 제품입니다. Onboard UART (CH9102F) TP4056 LiPo Charger IC 1x LiPo connector Power: LDO (XC6220B33) 3.3V – 6V ~12uA (at 3.3V) ~27uA (at 4.2V) Certification: FCC, CE Mechanical: 50.8 x 24.4mm (PCB) 58.3 x 24.4mm (ESP32 + USB-C) 0.012 kg Further information The ePulse Feather can be preordered for $12.50 (pre-order discount) from.

RoHS compliant QFN24 and QFN28 PB-free package.

Integrated power-on reset, integrated clock, no external crystal required. CH9102X UART interface I/O only supports 3.3V power supply voltage. Ch9102f CH9102F UART interface I/O powered independently, support 5V, 3.3V, 2.5V, 1.8V power supply voltages.

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