Shahzeb

Turning firmware & PCB designs into working hardware | STM32 · FreeRTOS · C/C++ | Ex-DRDO, Ex-Opsight AI | Freelance-ready ⚡

[Shahzeb @SamiAla02079658]

Designed hardware for a Harness Detection System — flags wiring faults via LED indicators across hundreds of connections.
4 PCBs in KiCad: schematic capture→layout→3D verification. First hardware project, steep learning curve on power design and ESD protection.
Video below 👇

[Shahzeb @SamiAla02079658]

Working on multi-axis motor control, I found that atoi() is most useful for parsing numbers from UART command strings. Simple, but note that it returns 0 on invalid input, so use strtol() when errors matter. Code: https://t.co/ojGQCatvMm #Embedded #CProgramming #MotorControl

[Shahzeb @SamiAla02079658]

Working on multi-axis motor control, I found that atoi() is most useful for parsing numbers from UART command strings. Simple, but note that it returns 0 on invalid input, so use strtol() when errors matter. Code: https://t.co/ojGQCatvMm #Embedded #CProgramming #MotorControl

[Shahzeb @SamiAla02079658]

Counting set bits looks trivial, but it’s everywhere in firmware: status flags, interrupt masks, and parity checks.

I wrote a small C routine for 32-bit arrays using fixed-width types and unsigned masks, verified on a PC first.

https://t.co/rRFXhSDTl0

#EmbeddedC #Firmware

[Shahzeb @SamiAla02079658]

Day 1 of Embedded Daily Questions 🔧
ADC status register (ADC_ISR) flags on STM32G4, with bit-by-bit decoding in C.

https://t.co/ECdE13uriz

[Shahzeb @SamiAla02079658]

Day 1 of Embedded Daily Questions 🔧
ADC status register (ADC_ISR) flags on STM32G4, with bit-by-bit decoding in C.

https://t.co/ECdE13uriz

[Shahzeb @SamiAla02079658]

Stop decoding STM32 status registers bit by bit. This small C function prints only the set flags by name, using a char pointer array indexed by bit position. Example output: TC TXE. Handy for debugging USART and other peripherals. #STM32

[Shahzeb @SamiAla02079658]

I just completed Embedded Systems - Shape The World: Microcontroller Input/Output with @edXOnline!

https://t.co/Wu4m6gWtj3

[Shahzeb @SamiAla02079658]

@SamiAla29051923 Keep going bro!

[Shahzeb @SamiAla02079658]

@SamiAla29051923 Nice work!

[Sami Alam | Video editor @SamiAla29051923]

Currently learning SaaS animation 🚀
Work in progress. More to come!

[Shahzeb @SamiAla02079658]

@fuyu_kasumii Is this any attention seeking post only ?

[Shahzeb @SamiAla02079658]

Anybody interested to learn Embedded C ?

[Shahzeb @SamiAla02079658]

STM32G431CBU6 has no onboard USB-UART bridge like a Nucleo. SWD flashes fine, but UART had nowhere to go.
Fix: swapped the wire for an HC-05 Bluetooth module. Same UART code, zero changes.
UART is a protocol, not a wire.
🔗 https://t.co/pw9JhM6onl
#STM32 #EmbeddedSystems

[Shahzeb @SamiAla02079658]

STM32G431CBU6 has no onboard USB-UART bridge like a Nucleo. SWD flashes fine, but UART had nowhere to go.
Fix: swapped the wire for an HC-05 Bluetooth module. Same UART code, zero changes.
UART is a protocol, not a wire.
🔗 https://t.co/pw9JhM6onl
#STM32 #EmbeddedSystems

[Shahzeb @SamiAla02079658]

Designed hardware for a Harness Detection System — flags wiring faults via LED indicators across hundreds of connections.
4 PCBs in KiCad: schematic capture→layout→3D verification. First hardware project, steep learning curve on power design and ESD protection.
Video below 👇

[Shahzeb @SamiAla02079658]

Built a NEMA stepper driver system using the TB6600 motor controller paired with an STM32G474RE, powered through an SMPS supply.Added GUI control for step/direction commands,with LED-based debugging.
#EmbeddedSystems
#STM32 #StepperMotor #ElectronicsEngineering #TB6600 #Robotics

[Shahzeb @SamiAla02079658]

Built a NEMA stepper driver system using the TB6600 motor controller paired with an STM32G474RE, powered through an SMPS supply.Added GUI control for step/direction commands,with LED-based debugging.
#EmbeddedSystems
#STM32 #StepperMotor #ElectronicsEngineering #TB6600 #Robotics

[Shahzeb @SamiAla02079658]

🚀 Built a wireless silent comms system using 2x ESP32 (ESP-NOW)!
✅ Hand-to-hand metal contact sends signals 1-5
✅ MPU6050 adds gesture directions
✅ Mini OLED shows live output
✅ Low-cost, low-power
Open to embedded systems / IoT roles.
#ESP32 #IoT #Firmware #OpenToWork

[Shahzeb @SamiAla02079658]

🚀 Built a wireless silent comms system using 2x ESP32 (ESP-NOW)!
✅ Hand-to-hand metal contact sends signals 1-5
✅ MPU6050 adds gesture directions
✅ Mini OLED shows live output
✅ Low-cost, low-power
Open to embedded systems / IoT roles.
#ESP32 #IoT #Firmware #OpenToWork