CheeseDip-Castellated
upsidedownlabs·MSP430-Breadstick·CheeseDip/CheeseDip-Castellated.kicad_pcb
About the CheeseDip-Castellated PCB
CheeseDip-Castellated is an open source TI MSP430/CC PCB design by upsidedownlabs, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 21.6 × 60 mm, with 27 components from 17 distinct parts.
Its main chip is the MSP430G2553IPW28, from the TI MSP430/CC family. Other key parts include the TLV74033PDBVR / ME6211 and CH340C. By type, the board carries 7 capacitors, 5 resistors, 4 connectors, 4 diodes, 3 ICs and 3 switches.
It belongs with the dev boards & breakouts, usb & debug tools and test & measurement designs in this gallery.
From the project
Texas Instrument MSP430G2553 based development board.
Upside Down Labs MSP430 Breadstick is a development board for ultra low power MSP430G2553 MCU from Texas Instruments.

Main components on the CheeseDip-Castellated
CheeseDip-Castellated bill of materials (BOM)
27 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MSP430G2553IPW28 | MSP430G2553IPW28 | IC1 |
| 1 | TLV74033PDBVR / ME6211 | TLV74033PDBVR | IC3 |
| 1 | CH340C | SOIC-16_3.9x9.9mm_P1.27mm | U1 |
| 1 | Conn_02x06_Counter_Clockwise | progMSP | J1 |
| 2 | Conn_01x14 | PinHeader_1x14_P2.54mm_Vertical | J2, J5 |
| 1 | USB_C_Receptacle_USB2.0 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J3 |
| 2 | SW_SPST | SW_SPST_SKQG_WithStem | SW1, SW3 |
| 1 | SS-3235S-L3 | SS-3235S-L3 | SW2 |
| 1 | USR LED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1 |
| 1 | RX LED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D2 |
| 1 | PWR LED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D3 |
| 1 | TX LED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D4 |
| 1 | Ferrite_Bead_Small | L_0805_2012Metric_Pad1.15x1.40mm_HandSolder | FB1 |
| 5 | 100nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C3, C4, C6, C8 |
| 2 | 10uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C7 |
| 4 | 1k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R3, R4 |
| 1 | 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5 |
CheeseDip-Castellated design files
The KiCad project lives in the upsidedownlabs/MSP430-Breadstick repository on GitHub; these links point at the commit this page was built from.
CheeseDip-Castellated: common questions
What microcontroller does the CheeseDip-Castellated use?
The CheeseDip-Castellated is built around the MSP430G2553IPW28, from the TI MSP430/CC family.
How big is the CheeseDip-Castellated PCB?
The CheeseDip-Castellated measures 21.6 × 60 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the CheeseDip-Castellated?
27 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the CheeseDip-Castellated design files?
From the upsidedownlabs/MSP430-Breadstick repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the CheeseDip-Castellated design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which upsidedownlabs chose for the repository.
Can I test firmware for the CheeseDip-Castellated without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug TI MSP430/CC firmware against it before you order a PCB.
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