100 LED Display Applications for Product Designers | Electronic Instruments (1) #86–100

100 LED Display Applications for Product Designers | Electronic Instruments (1) #86-100

100 LED Display Applications for Product Designers | Electronic Instruments (1) #86-100

This is the first electronic-instruments installment in OPTO PLUS LED’s series “100 LED Display Applications for Product Designers”. Each entry analyses publicly available information on products that use LED displays, so that product designers can quickly see what an LED display can achieve in a finished product, and choose the lowest-cost display solution that best fits their product during the design phase.


LED Display Analysis | Electronic Instruments #86 | SMT Board Loader

  • Application:
    • Shows the current status of the SMT board loader
  • Reference image:
SMT board loader product photo
  • LED displays used:
    • C – LED indicators
      • Four red and green icon indicators show the SMT board-loader mode
  • Emitting colour:
    • Red, green

LED Display Analysis | Electronic Instruments #87 | Small Portable Bill Counter

Portable bill counter (model V40) demo
  • LED displays used:
  • Emitting colour:
    • Red

LED Display Analysis | Electronic Instruments #88 | Commercial Bill Counter

DS-299 compact smart bill counter demo
  • Reference video:
  • LED displays used:
  • Emitting colour:
    • Red, green

LED Display Analysis | Electronic Instruments #89 | Continuous Band Sealer

HP-CS900 continuous band sealer demo
  • LED displays used:
  • A – Illuminated characters
  • Emitting colour:
    • Red, green

LED Display Analysis | Electronic Instruments #90 | Soldering Iron

Reference video
  • LED displays used:
  • A – Illuminated characters
  • Emitting colour:
    • Blue

LED Display Analysis | Electronic Instruments #91 | DC Power Supply

PFR-100 (fanless design) | GW INSTEK DC power supply demo

LED Display Analysis | Electronic Instruments #92 | Hardness Tester

MET-HRC9 diamond hardness tester hardness tester demo
  • LED displays used:
  • Emitting colour
    • Red, orange, green

LED Display Analysis | Electronic Instruments #93 | Rehabilitation Electrotherapy Device

  • Application:
    • Shows the intensity, frequency and remaining time of the rehabilitation session
  • Reference image:
Rehabilitation electrotherapy device product photo
  • LED displays used:
    • A – Illuminated characters
      • Seven groups of 2-digit and one group of 3-digit LED 7-segment displays show the therapy intensity, frequency and remaining time
  • Emitting colour
    • Green

LED Display Analysis | Electronic Instruments #94 | Handheld Air Quality Monitor

  • Reference video:
[Refurbished] large LED panel 3-in-1 air quality monitor (PM2.5 / formaldehyde / TVOC) product demo
  • LED displays used:
    • A – Illuminated characters
  • Emitting colour
    • Red

LED Display Analysis | Electronic Instruments #95 | Blood Pressure Monitor

  • Application:
    • Shows blood pressure readings
  • Reference product page:
    • HBP-9020 medical tunnel-type blood pressure monitor
  • Reference photo:
HBP-9020 medical tunnel-type blood pressure monitor product photo
  • LED displays used:
  • A – Illuminated characters
  • C – LED indicators
  • Emitting colour:
    • Red, blue

LED Display Analysis | Electronic Instruments #96 | Timer


LED Display Analysis | Electronic Instruments #97 | Air Flow Sensor

Flow sensor | SA5020 | SAD10XDBFRKG/US-100 demo
  • LED displays used:
  • A – Illuminated characters
  • C – LED indicators
  • Red
  • Emitting colour:
    • Red, green, yellow

LED Display Analysis | Electronic Instruments #98 | High-Flow Respiratory Therapy Device

Heated humidification system PF-PLUS demo
  • LED displays used:
  • A – Illuminated digits
  • C – LED indicators
  • Emitting colour:
    • Red, green, white

LED Display Analysis | Electronic Instruments #99 | Handheld Pulse Oximeter

Nonin PalmSAT 2500/2500A handheld pulse oximeter demo
  • LED displays used:
  • A – Illuminated digits
  • C – LED indicators
  • Emitting colour:
    • Red

LED Display Analysis | Electronic Instruments #100 | Vital Signs Monitor

Edan M3A vital signs monitor demo
  • LED displays used:
  • A – Illuminated digits
  • B – Illuminated graphics
    • One bar-graph display shows the vital signs
  • C – LED indicators
  • Emitting colour:
    • Red, green

Further Reading on LED Packaging and Assembly

Continue with the related articles below to check part selection, circuit design and real application conditions.

Quick Spec Reference for Instrument Designers

Why is this here? Instrument projects usually fail on ratings, not on appearance. OPTO PLUS standard parts operate from -40 to +85 degrees C, withstand 5 V reverse voltage, are rated at 20 mA continuous per segment (about 48 mW), and allow a 40 mA peak current at 1/10 duty. Design around the 20 mA continuous rating first, and check every value against the datasheet of the selected part number before layout.