A timer device with relay

Started by Test in sci.electronics.basics5 years ago 11 replies

I've been looking for a low power and low cost timer device or info on how I could use to build one. I need to turn a relay on on a 5V device (a...

I've been looking for a low power and low cost timer device or info on how I could use to build one. I need to turn a relay on on a 5V device (a weather meter doing a number of other task as well). The weather meter uses too much amps for it to run on a battery. The low poer timer device would run on coin cell batteries and very hour or another predetermined time turn on a relay which would t...


Pin extraction tool

Started by MG in sci.electronics.basics9 years ago 3 replies

I have a Kenwood portable radio charger KVC-5A for my fire department radio. We purchased some new Kenwood radios. The new radios require...

I have a Kenwood portable radio charger KVC-5A for my fire department radio. We purchased some new Kenwood radios. The new radios require a KVC-20L vehicle charger. Kenwood moved one pin on the wire plug to the charger. Rather than running a new set of cables from the battery to the charger, I want to move one pin. However, I cannot find the correct sized pin extraction tool. I purchased a 0....