Dobrica Pavlinušić's random unstructured stuff
ZPB30A1: Revision 12
{file: dummy-load-sch.pdf}
ZHIYU ZPB30A1 60W dummy load input voltage: 12V 0.5A (11-14V) constant current: 0.20-9.99 A * review https://youtu.be/snROh2acybs * Reverse Engineering https://youtu.be/KYncNH8_m70 * 60W Dummy Load Mod 20mA to 999mA https://youtu.be/K-7kgfbH-eI ^ modes hold run button at power on Fun1 - dc load (continue working on voltage alarm) Fun2 - battery test (stop load at specified voltage)8n ^ serial 115200 8n1 pins from bottom of the board upwards G - GND R - RX T - TX L - always low? F - 50 Khz quare wave Vc - input voltage 3 byte output, first two bytes are BCD voltage (3.35V) and last one is status (1=ok, 0=under voltage alarm) .pre pi@rpi2 ~ $ microcom -s 115200 -p /dev/ttyUSB4 | od -An -t x1 -w3 04 35 01 * 04 36 01 04 35 01 * 04 36 01 * 04 35 01 * 04 36 01 04 35 01 .pre |