First look: vruzend 1.6 lithium ion 18650 battery system
JLCPCB Prototype for $2(Any Color): https://jlcpcb.com Building a simple 4S1P lithium ion pack using the Vruzend 1.6 battery building kit.…
Julian’s electronics postbag: #139 – led voltmeters and cables
More electronics stuff in envelopes to take my projects forward - plus the inevitable fail purchase. 90 Degree Right Angled…
Active cell balancer for lithium ion battery packs
JLCPCB Prototype for $2(Any Color): https://jlcpcb.com Very clever active cell balancer for lithium-ion battery packs, which can transfer energy from…
New pcb from jlcpcb – analog filter circuit – vocoder
JLCPCB Prototype for $2(Any Color): https://jlcpcb.com Analog filter board with lots of intrigue. Is this connector really 3.96mm, or is…
Will it work? 100f supercapacitor spot welder
JLCPCB Prototype for $2(Any Color): https://jlcpcb.com A 100F Supercapacitor charged to 2.6V (that's 338 Joules) discharged into some Nickel strip…
Wickes 18v battery strip down minimal electronics
JLCPCB Prototype for $2(Any Color): https://jlcpcb.com A strip down of the Wickes 18V power tool battery. This thing has minimal…
New yellow pcbs from jlcpcb – peak detect circuit
JLCPCB Prototype for $2 (Any Color): https://jlcpcb.com A precision full-wave peak detector circuit for driving the LM3915.