New PCBs from JLCPCB - Cell Connect with ACS712
18:42
New PCBs: Visual Current Limiter - from JLCPCB
13:03
New PCBs from JLCPCB and New Battery Build
25:31
Photolithography on Silicon with PCB Chemicals
21:07
Junctek DC Voltage & Current Meter KG140F
30:14
New PCBs from JLCPCB - Too Much Current?
34:00
Coulometers Tested TK15 H56C
26:10
The RS-232 protocol
30:05