I want transistor Circuit

Job ID: 37314929

Budget: ₹600 – ₹1,500 INR

Input 12V
I want to connect 3 devices to arduino as below
D2 -> DEV1 which requires 1.21V, 0.1A
D3 -> DEV2 which requires 1.48V, 0.1A
D4 -> DEV3 which requires 1.48V, 0.1A
Can you give me transistor circuits with resistor values.