1. GPIO and clock configuration of STM32F427VG

  2. Led floodlights burnt out
  3. Toggle bi-colour LED
  4. LED’s getting to hot

  5. Wiring a bunch of micro LED fairy lights to a single power source in parallel

  6. Dimmer buzzing, lights flickering

  7. Higher brightness LED with bigger resistor to save battery life
  8. Using 12v car battery to supply multiple "3.5v" devices

  9. Why does my Array of 74HC595 flicker on some outputs on some ICs

  10. LED and Button Matrix multiplexing?
  11. One GPIO pin for LED, Pushbutton and Buzzer via high-pass filter?

  12. Step-up power module XL6009 converter and >4Amp power source!
  13. Driving LED with FPGA
  14. Motorcycle turn lights switch to led

  15. 3 watt LED driver
  16. Driving 3w leds in a car
  17. High Power LED Strobe making a Whining Noise when powered by a PWM signal
  18. ESP8266 ESP-01 drive 6V led with GPIO with 2AA batteries as source

  19. Powering several LEDs from Batteries
  20. Wiring LEDs to a 120VAC wall outlet

  21. Identifying a specific LED
  22. Driving/dimming/strobing 30 pieces of Cree XR-E individually via Rispberry Pi 3, powered by 18v 4.0mAh makita accu
  23. Can I practically approximate led array as grey box?
  24. Philips 26PF5321 backlight mod, dim backlight
  25. Help me in understanding a flashing LED circuit
  26. Handling analog (line audio) signal for single LED brightness indication, single supply (IC)?
  27. How do i go about powering 15m of LED strips
  28. Designing custom LED bar as a replacement for standard headlight

  29. What is the theoretical limit of lumen/watt for lighting systems?

  30. How to build a light sensor for PWM dimmed light (for comparison against CC dimmed light)?
  31. Protect LED Driver in Circuit

  32. Very basic electronics question
  33. How to calculate the energy output (in Joules) from an LED

  34. Dimming multiple LED panels without PWM to LEDs; modified DMX control or something else?

  35. Connecting 220V mains switches (with on-indicator lights) to 12V COB LED lights in series

  36. Using MOSFET with Open Drain Controller
  37. How many D batteries would be required to power an 150watt/120volt Light for 8 Hours?

  38. Long distance LED chaser design

  39. Constant voltage driver max current output as a limiting mechanism?

  40. Sixty INDIVIDUALLY on/off switchable COB LEDs connected in parallel: how to drive?

  41. Controlling which transistor turns on first in a multivibrator
  42. Made an IR 'chamber' component, however, does it already exists?
  43. What are some methods to achieve constant LED brightness over large temperature ranges?

  44. How to compare brightness of different color LEDs (not RGB)?
  45. How to toggle LED with button on dsPIC33 and dsPICDEM MCLV-2 devboard
  46. Solid angle measurement conditions for radiant intensity specification in IR-LED's data-sheets
  47. Is it possible to completely eliminate flickering of low power LED lamps?
  48. Controlling PWM noise on power supply
  49. Why do lights get brighter when I turn on the hair dryer?

  50. Electronically switching between individual array elements?

  51. Bottle tree lighting
  52. DIY 5V power supply from phone charger
  53. Long lived LED vs EL Wire Lamp

  54. Does a 1 watt 660nm LED put out more radiant flux than a 1 watt 630nm LED?

  55. LM3914 schematic values

  56. Troubleshooting Exercise Problems for Class

  57. How can I amplify PIR output to 5V

  58. Dim and "unblink" a pc power LED?

  59. LEDs and Arduino Microcontroller, How much Ampere, is it safe?

  60. LED light intensity drop using 200k range resistors.
  61. Mulitcolor LED circuit riddle
  62. Resistor for 8mm straw hat white led diode
  63. Automotive LED retrofit causing strange phenomenon
  64. Can silicone be used in a led bulb to transfer heat from a led filament (COB) to the glass?

  65. How to use MOSFET as a switch to drive LEDs

  66. Two DC power circuits sharing one lead

  67. Why exactly can't a single resistor be used for many parallel LEDs?
  68. Flashing LED circuit using Flyback Topology Flickering Problems

  69. What's inside an LED?

  70. Latching Hall effect sensor not working
  71. Creating Light Sensor
  72. Blue light LED works without any resistor and doesn't burn out. Why?

  73. Pull-up or pull-down when building an LED ROM for 74HC logic levels?
  74. LED Strip Light - Power supply issues

  75. Can I use a 25 meter LED stripe with a single power adapter?

  76. Automatic charging a capacitor to an adjustable voltage level, for impulse LED driving
  77. accounting for LED resistance
  78. WS2812B - flickering and artifacts
  79. Calculating max peak current at different conditions

  80. Indicator LED directly to AC mains. Which method would you use?
  81. Sending audio data in chunks using visible light communication

  82. How to drive multiple LEDs with PWM and MOSFET
  83. Can camera sensors be damaged by light?
  84. When will parallel LED voltage drops become an issue
  85. LED Strip and digispark

  86. How can I determine the specifications of this LED (photo included)?
  87. Design of Window Comparator Circuit w/ Mutually Exclusive LED Indicators
  88. indicator light for switch
  89. I need to drive an LED on a small battery for 400+ hours. Ideal setup for efficiency?

  90. On/Off toggle with delay using bi-color led

  91. Simple circuit for fading an LED out (no MCU)
  92. Power factor correction for LED lighting on a generator
  93. Micropuck LED driver gets really hot

  94. why white LED has highest Built in potential

  95. How to connect a generator and LED device of different polarities?
  96. Drive 8 leds with On/Off and PWM using 8 pots and 1 pwm

  97. How to efficiently power and arrange 100 multi chip LEDs in 6 different colors each color runnig off their own transistors

  98. A logic 0 can be a non-zero value (say upto 0.5volts), wouldn't that cause a current to flow through a device connected to output and then ground?
  99. Current in LED strip different when measured separately vs individually.
  100. Why my hex inverter chips (all three of them) are not producing a HIGH output with low input?