Hardware Update Logs
HTTC - AM01 Hardware Update Logs
HTCC-AM01 only have ASR6501 and RF relevant circuit inside. In order to program it, need connect to an external UART-USB bridge. CH340G, CP2102 etc.
V1
First release
2017-6-1 public sale
V2
2022-09-15 public sale
MCU is changed from ASR6501 to ASR6502. Specific differences of MCU are shown in：https://products.espressif.com/#/product-comparison.
The size, appearance, pin layout and GPIO pins remain unchanged, only the ADC pin definition is changed, and ADC is changed from P2_3 to P2_1.
HTTC - AM02 Hardware Update Logs
HTCC-AM02 only have ASR6502 and RF relevant circuit inside. In order to program it, need connect to an external UART-USB bridge. CH340G, CP2102 etc.
V1
First release
2020-04-30 public sale