MartinFowler

mega48 multi-channel thermocouple 7135 acquisition board

 
Overview
It is an industrial multi-channel thermocouple acquisition board with mega48 as the core and 7135 as the ad chip. It can collect S-type, B-type, K-type, etc., and includes voltage and current acquisition, 5 relay outputs, 16 io inputs, and 2 analog outputs.
The io expansion uses 74hc595 and 74hc165
to reserve 232 ports, and uses a custom protocol to communicate with the host computer.
The schematic diagram and PCB are imported from Lichuang, so be sure to check it yourself and
come with the host computer debugging software. The interface is as follows
M8_SMD_2_TEST.exe
BOM download
Schematic_mega48 multi-channel thermocouple 7135 acquisition board_2022-10-08.pdf
SCH_mega48 multi-channel thermocouple 7135 acquisition board_2022-10-08.json
M8_SMD_2-lc.SchDoc_2022-10-08.schdoc
PCB_M8_SMD_2-lc.PcbDoc_2022-10-08.pdf
PCB_M8_SMD_2-lc.PcbDoc_2022-10-08.json
M8_SMD_2-lc.PcbDoc_2022-10-08.pcbdoc
60948
electronic
参考设计图片
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