MSPM0G3507-Digital-Oscilliscope

rachitkakkar·MSPM0G3507-Digital-Oscilliscope·PCB/rk32856.kicad_pcb

MSPM0G3507-Digital-Oscilliscope PCB layout, top view — open source board by rachitkakkar

About the MSPM0G3507-Digital-Oscilliscope PCB

MSPM0G3507-Digital-Oscilliscope is an open source PCB design by rachitkakkar, published on GitHub. It is a 2-layer board measuring 116.6 × 88.9 mm, with 44 components from 27 distinct parts.

Other key parts include the Adafruit ST7735R, LP-MSPM0G3507, MCP34119P, HiLetGo_ST7735R and ULN2003B. By type, the board carries 18 resistors, 6 ICs, 5 connectors, 4 switches, 4 diodes and 4 capacitors.

It belongs with the audio, test & measurement and displays & leds designs in this gallery.

From the project

Digital storage oscilliscope to sample and plot analog signals

This repository contains the firmware for an Digital Storage Oscilloscope, developed for the Texas Instruments MSPM0G3507 microcontroller. The project leverages interrupt-driven sampling, real-time graphics rendering to an ST7735 TFT LCD display, and interactive peripherals on a custom PCB designed in KiCAD.

- High-Speed Signal Acquisition: There is a 50 kHz hardware timer interrupt (TimerG6) to sample the ADC and store the value in a storage buffer. The process of sampling and storing into the buffer only occurs on the rising edge of the signal after it passes a trigger set at the half-way…

MSPM0G3507-Digital-Oscilliscope, from the project README — From the project README

Main components on the MSPM0G3507-Digital-Oscilliscope

Adafruit ST7735R LP-MSPM0G3507 MCP34119P HiLetGo_ST7735R ULN2003B TSOP31438

MSPM0G3507-Digital-Oscilliscope bill of materials (BOM)

44 components, 27 distinct parts.

Qty	Part	Footprint	Refs
1	Adafruit ST7735R Adafruit	adafruit_st7735r	U1
1	LP-MSPM0G3507 Texas Instruments	ti_LP_MSPM0G3507	U2
1	MCP34119P Motorola	DIP-8_W7.62mm_LongPads	U3
1	HiLetGo_ST7735R HiLetGo	hiletgo_st7735r	U4
1	ULN2003B	DIP-16_W7.62mm	U5
1	TSOP31438	TSOP31438	U6
1	Speaker	PinHeader_1x02_P2.54mm_Vertical	J2
1	UART1	PinHeader_1x03_P2.54mm_Vertical	J3
1	Pot	Testpoint_1x02_P2.54mm	J4
1	GND	Testpoint_1x02_P2.54mm	J6
1	DACOUT	Testpoint_1x02_P2.54mm	J7
1	TExaS	PinHeader_1x03_P2.54mm_Vertical	JP1
1	PTA2043	PTA2043pot	RV1
1	UP	SW_PUSH_6mm	SW1
1	LEFT	SW_PUSH_6mm	SW2
1	DOWN	SW_PUSH_6mm	SW3
1	RGHT	SW_PUSH_6mm	SW4
1	3.3V	Testpoint_1x02_P2.54mm	TP1
4	LED	LED_D5.0mm	D1, D2, D3, D4 LED
2	0.1uF	C_Axial_200mil	C1, C4

Show 7 more

Qty	Part	Footprint	Refs
1	4.7uF	CP_Radial_Tantal200mil	C2
1	1uF	CP_Radial_Tantal200mil	C3
4	220	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R1, R2, R3, R18
5	1.5k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R4, R5, R6, R7, R8
3	12k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R9, R10, R11
5	10k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R12, R13, R14, R15, R17
1	20k	R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal	R16

MSPM0G3507-Digital-Oscilliscope design files

The KiCad project lives in the rachitkakkar/MSPM0G3507-Digital-Oscilliscope repository on GitHub; these links point at the commit this page was built from.

LayoutPCB/rk32856.kicad_pcb
SchematicPCB/rk32856.kicad_sch

MSPM0G3507-Digital-Oscilliscope: common questions

How big is the MSPM0G3507-Digital-Oscilliscope PCB?

The MSPM0G3507-Digital-Oscilliscope measures 116.6 × 88.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the MSPM0G3507-Digital-Oscilliscope?

44 components, from 27 distinct parts. The full bill of materials is listed on this page.

Where can I download the MSPM0G3507-Digital-Oscilliscope design files?

From the rachitkakkar/MSPM0G3507-Digital-Oscilliscope repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the MSPM0G3507-Digital-Oscilliscope design in my own project?

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

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