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Ic202-frequency meter

joseluu·ic202-frequency-meter·kicad/fd-autoplacer-experiment/ic202-frequencemetre_fdplaced.kicad_pcb

Ic202-frequency meter PCB layout, top view — open source AVR/Arduino board by joseluu
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About the Ic202-frequency meter PCB

Ic202-frequency meter is an open source AVR/Arduino PCB design by joseluu, published on GitHub. It is a 2-layer board measuring 80 × 50 mm, with 38 components from 20 distinct parts.

Its main chip is the Pro Mini 3V3/8MHz, from the AVR/Arduino family. Other key parts include the AMS1117-5.0, AMS1117 (ADJ) and MB506. By type, the board carries 19 resistors, 12 capacitors, 3 ICs, 2 connectors, 1 module and 1 transistor.

From the project

Frequencemetre pour Icom IC-202 : prediviseur MB506, Arduino Pro Mini, afficheur 3 digits multiplexe. Projet KiCad.

Projet KiCad transcrit du schéma manuscrit, selon la description de docs/specifications.md. Deux versions du schéma existent dans docs/ : Schema.jpg, la première photo, et Schemapropre.jpg`, une reprise plus lisible qui a servi à corriger plusieurs valeurs mal lues sur la première.

Chaîne de mesure : entrée RF → prédiviseur MB506 → étage de mise en forme à transistor alimenté en 3 V → broche D5 d'un Arduino Pro Mini → afficheur LCD 3 digits 7 segments multiplexé, déporté au bout d'une nappe.

Main components on the Ic202-frequency meter

AMS1117-5.0AMS1117 (ADJ)MB506Pro Mini 3V3/8MHz

Ic202-frequency meter bill of materials (BOM)

38 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
AMS1117-5.0
U1
1
AMS1117 (ADJ)
U2
1
MB506
U3
1
Pro Mini 3V3/8MHz
A1
1
2SC5551AE-TD-E
Q1
1
+12V IN (4 pins: 2x+12V, 2x GND)
J1
1
LCD
J4
3
100N
100n
C1, C3, C5
3
10U
10u
C2, C4, C6
1
1n
C7
4
100n
C8, C9, C10, C11
1
1u
C12
1
220R
R1
1
300R
R2
1
51R
R3
3
3K3
3k3
R4, R17, R18
1
470R
R6
10
100K
100k
R7, R8, R9, R10, R11, R12, R13, R14 +2
1
2K2
R19
1
470K
R20

Ic202-frequency meter design files

The KiCad project lives in the joseluu/ic202-frequency-meter repository on GitHub; these links point at the commit this page was built from.

Ic202-frequency meter: common questions

What microcontroller does the Ic202-frequency meter use?

The Ic202-frequency meter is built around the Pro Mini 3V3/8MHz, from the AVR/Arduino family.

How big is the Ic202-frequency meter PCB?

The Ic202-frequency meter measures 80 × 50 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Ic202-frequency meter?

38 components, from 20 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Ic202-frequency meter design files?

From the joseluu/ic202-frequency-meter repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Ic202-frequency meter design in my own project?

The repository has no license, so all rights stay with joseluu. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Ic202-frequency meter without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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