LC-Meter
TeknoTrek
This repository is part of the Teknotrek YouTube channel, featuring the DIY LC Meter project. It includes KiCad files, schematics, PCB layouts, and Arduino firmware. Visit the Teknotrek YouTube channel https://www.youtube.com/channel/UCLOmh3PNItDSgDy55UoxpgQ for build videos and tutorials.
Components (22)
| Reference | Value | Description |
|---|---|---|
| Q1 | BC547 | 0.1A Ic, 45V Vce, Small Signal NPN Transistor, TO-92 |
| U1 | LM311 | Voltage Comparator, DIP-8/SOIC-8 |
| A1 | Arduino_Nano_v3.x | Arduino Nano v3.x |
| C1,C2 | 10uF | Unpolarized capacitor, small symbol |
| C3,C4 | 1nF | Unpolarized capacitor, small symbol |
| D1 | 1N4007 | 1000V 1A General Purpose Rectifier Diode, DO-41 |
| DS1 | WC1602A-I2C | LCD 16x2 Alphanumeric , 8 bit parallel bus, 5V VDD |
| J1 | Cx/Lx | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2 | Power in | Generic connector, single row, 01x02, script generated |
| JP1,JP2 | Jumper_2 | Jumper, 2-pole, closed/bridged |
| L1 | 100uH | Inductor |
| R1 | 4.7K | Resistor, US symbol |
| R2 | 6.8K | Resistor, US symbol |
| R3 | 47K | Resistor, US symbol |
| R4-R6 | 100K | Resistor, US symbol |
| R7 | 1K | Resistor, US symbol |
| RLY1 | 5V/10mA | General purpose signal relay, Kemet EC2 Series, DPDT (2 Form C), non-latching, through hole, 60W/125VA, 220VDC/250VAC, 2A, 3V DC coil |
| S1 | INCR | Omron B3FS 6x6mm single pole normally-open tactile switch |
| S2 | SET ZERO | Omron B3FS 6x6mm single pole normally-open tactile switch |
| S3 | DECR | Omron B3FS 6x6mm single pole normally-open tactile switch |