Oscilloscope Tester Keyring (OTK) can test your oscilloscope - Electronics-Lab.com
CCS/MSP430G2553: Measuring a signal from Timer_A with an oscilloscope - MSP low-power microcontroller forum - MSP low-power microcontrollers - TI E2E support forums
NFC-DATALOGGER-EVM Texas Instruments | Development Boards, Kits, Programmers | DigiKey
Oscilloscope Tutor board - RobotShop
An Oscilloscope Trigger For Vintage Video Processors | Hackaday
OWON HDS2202S 3 in 1 Handheld Digital Oscilloscope Multimeter Waveform Generator 200MHz 1GSa/s Dual Channels Oscilloscope True RMS 20000 Counts Multi Tester 3.5-inch Color LCD Rechargeable T - Walmart.com