Table of Contents

Soft Robotics Shopping List

Finnish terminology

Basics

Silicones

Name Euro Purchase Japan Purchase
Ecoflex 30 ~40€/kg Kaupo ?? サツク株式会社
Dragon Skin 30 ~40€/kg Kaupo ?? サツク株式会社
Sil-Poxy 85gr 44.60€ Kaupo ?? サツク株式会社
Elastosil M4601 ?

Pumps

Name Voltage Current Pressure Outlet Euro Purchase Japan Purchase
Mitsumi R-14 A221 DC 6V 0.45A 90KPa 4mm ~6€ / 1pc eBay
Mitsumi R-14 A213 DC 6V 0.22A ?? (Low) 4.1mm ¥ 1,050 / 1pc Amazon
Dowonsol 双出气口 強力なポンプ DC 12V 0.13A ?? (High) 4.2mm ¥ 1,050 / 1pc Amazon

Valves

Name Model Voltage Current Normally Outlet Euro Purchase Japan Purchase
Micro Solenoid Valve Fa0520C DC 6V 60mA Open 3mm ~3€ / 1pc eBay 1 eBay 2
ソレノイド電磁石弁;定格電圧 - DC 5V 263mA Open 3mm ¥598 / 1pc Amazon
12V NPT Solenoid Valve ?? DC 12V 540mA Closed NPT 1/8“ ~4€ / 1pc eBay 1

Tubings

Name Inner Diameter Outer Diameter Euro Purchase Japan Purchase
Silicone Tubings 2mm 4mm ~2€ / m eBay ¥95 / m Monotaro
Silicone Tubings 3mm 5mm ¥116 / m Monotaro
Silicone Tubings 4mm 6mm ~2€ / m eBay
Silicone Tubings 6mm 8mm ~3€ / m eBay

Connectors

Type Diameters Euro Purchase Japan Purchase
T-Piece Splitter 3mm x 3mm x 3mm ~1€ / pc eBay 1 eBay 2
T-Piece Splitter 4mm x 4mm x 4mm ¥95 / pc Monotaro
Straight Reducing 4mm x 3mm ~1.5€ / pc eBay

Sensors

Type Specs Euro Purchase Japan Purchase
ASDX Pressure Sensor 0-15psi ~50€ / pc Mouser
MIS-2500-015G 0-15psi, outlet 3.15mm? Specs ¥800 / pc Akizuki
Pulse Sensor ¥330 / pc Amazon
AE-BME280 Pressure/Temperature/Humidity

Electrical Components

Type Specs Euro Purchase Japan Purchase
Arduino Uno R3 ATmega16U2 ~25€ / pc Sparkfun
L293D Motor Driver controls 2 motors ~0.5€ / pc eBay
L298N Motor Controller controls 2 motors ¥1,550 / pc Akizuki
Teensy 3.6 ARM ~34€ / pc Mansteri
POLOLU-713 TB6612FNG ~34€ / pc TME

Tools

Name Purpose Euro Purchase Japan Purchase Remarks
Nitrile Lab gloves Safety when working with Silicone ~6€ / box of 100 ¥599 / box of 100 Monotaro Sizes: M/L/S
Syringes Testing the actuators ~1€ / pc ¥3,590 / 100pc Monotaro 10ml. Only need a few
Knitting needles Puncturing the actuators ~7€ / set of 5
Aluminum rod 5mm Puncturing the actuators ¥339 / 1pc Monotaro
Mixing cups Mixing silicone ~1€ / pc ¥27 / 200ml, ¥46 / 500ml Monotaro
Wooden mixing sticks Mixing silicone ~0.2€ / pc
Small pipet tips Good for bursting bubbles ~0.02€ / pc
Air tight glass jars Storing the silicone ~10€ / pc ¥1,690 / 2L Monotaro The silicone comes in inconvenient storage

Fiber reinforcement

Name Purpose Euro Purchase Japan Purchase Remarks
Kevlar Thread Fiber wrapping 2.45€ Amazon

Lab Equipment

Name Purpose Japan Purchase
Vacuum Chamber Getting rid of bubbles
Lab Oven Accurate Curing
Centrifugal Mixer Good mixing of compounds *Optional
Mass scale Accurately weighing the silicone compounds ¥3,990 Monotaro

3D Printing

Type Purpose Euro Purchase Japan Purchase Remarks
PLA Molds ~20€ / kg 2,777円/1,000g pp3dp 5set Supposedly better than ABS for molds

https://www.pp3dp.jp/hq-pla.html

Advanced / Telepresence

Pumps

Name Voltage Current Pressure Outlet Price Purchase Links
Sparkfun Vacuum Pump - 12V DC 12V ?? 220KPa 6mm ~$15 / 1pc Sparkfun

Tubings

Name Inner Diameter Outer Diameter Price Purchase Links
Silicone Tubings 6mm 8mm ~3€ / m eBay

Sensors

Type Specs Euro Purchase Japan Purchase
Multi Walled Carbon Nanotubes 10-20nm ~15€ / gr Cheaptubes ~¥2,980 Akizuki
BMP180 Barometer Tactile sensor 300-1100 hPa ~10€ / pc Sparkfun
BME280 Barometer Tactile sensor 300-1100 hPa ¥1,080 / pc Akizuki
X2M200 Respiration sensor ¥16340 / pc Xethru

Electrical Components

Type Specs Euro Purchase Japan Purchase
Raspberry Pi 3 ARMv8 ~35€ / pc Amazon ¥5,600 /pc Akizuki
HDMI Touch Display 7” ~50€ / pc BuyDisplay ¥10,000/pc Akizuki
Raspberry Pi Camera V2 8 Megapixel,1080p ~30€ / pc Amazon ¥4,300/pc Akizuki
Mini Speaker 7 hours, rechargeable ~15€ / pc thePiHut ¥ 1,999 /pc Amazon
USB Audio Adapter Stereo 3.5mm Jack ~25€ / pc Creative ¥1,109 /pc Amazon
Microphone ¥736 / 1pc Amazon
Tenergy 7.2V 3800mAh高出力平型NiMHバッテリーパック 3800mAh ¥ 3,290 / pc Amazon

Budget Estimations

See Japan Budget page.