Polarized Capacitors and 555
Howdy! This circuit of yours is EXACTLY what I was looking for. TOTALLY cool! However, I have a few questions about it…mostly because I’m a software guy. Astable 555 Timer Flasher. So please bear with...
Blind Temperature Controller
message: from SJ for my hobby purpose (pewter small models) i ‘m building a kind off rubber press with two hot plate about max: 200degre C. i found your website and studied the different...
Digital Multimeter 50200 50220 – Energy Concepts
This manual provides maintenance information for the Energv Concepts Digital Multimeter, Model No. 50200. Included are circuit board information, the various adjustments required, parts lists, schematic diagram, and other maintenance and troubleshooting information. Operational...
Timer and Counter Modules
U1 CD4541 is a Timer with Long Duration Ability. This timer is started by a low pulse from earlier circuit, when the temperature goes above setpoint, a low state is at U2A inputs, this...
Three Opamp Differential Instrumentation
This is the best Instrumentation OpAmp, Great CMRR, ensure supply has no ripple and keep analog and digital grounds separate. Ri can be replaced with a trimpot and resistor to alter gain. Connect a...
Multi Output Instrument Power Supply
Every electronic gadget primarily needs a D.C, power supply to energize it. It also forms the basic requirement for any constructional project. consequently there is a need to obtain multiple voltage values for cost...
Using LEDs with Battery Power
What are LEDs ? How can we use them for Long Battery Life.
Drive or Fire Thyristors SCR with Pulses
message: Hi, i’m looking at building a power supply 0-35v ,0-100A adjustable cv and cc. I stumbled across your circuit drive-scr-thyristor-with-555 is there a link to describe what phase logic is required to complete the...
